Finding extended homes…
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Sign in to keep them on every device →Finding extended homes…
Homes within 1 km whose energy certificates show the floor area growing: extensions, loft and garage conversions. Tap a home on the map or in the list for its full history. Back to EN1 1LT
Not every extension shows here. We only see building work when a new energy certificate is lodged, which happens when a home is sold, let or newly built. A loft or extension added since then won't appear, even with planning permission and building control sign-off, because those records aren't published as open data outside London. Missing work doesn't mean missing paperwork.
| Home | Before | After | Added | Recorded |
|---|---|---|---|---|
| 21, Abbey Road817 m away | 108 m² | 232 m² | +124 m² +115% | 2022 |
| 35, Lincoln Way677 m away | 77 m² | 184 m² | +107 m² +139% | 2026 |
| 60, Wellington Road997 m away | 186 m² | 285 m² | +99 m² +53% | 2021 |
| 10, Queens Road746 m away | 99 m² | 187 m² | +88 m² +89% | 2023 |
| 83, Percival Road172 m away | 78 m² | 157 m² | +79 m² +101% | 2025 |
| 101, Apple Grove784 m away | 92 m² | 169 m² | +77 m² +84% | 2025 |
| 110, Burleigh Road733 m away | 104 m² | 178 m² | +74 m² +71% | 2026 |
| 65, Leighton Road757 m away | 75 m² | 144 m² | +69 m² +92% | 2014 |
| 108, Southbury Road458 m away |
From energy performance certificates (MHCLG): a later certificate shows at least 15 m² and 15% more floor area than an earlier one (and no more than 2.5 times, to leave out typing errors). Some changes come from a more careful measurement rather than building work. Addresses: HM Land Registry. Contains HM Land Registry data © Crown copyright and database right 2026, OGL v3.0.
| 95 m² |
| 163 m² |
| +68 m² +72% |
| 2022 |
| 109, Southbury Avenue211 m away | 106 m² | 174 m² | +68 m² +64% | 2014 |
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| 58, Peartree Road864 m away | 78 m² | 144 m² | +66 m² +85% | 2023 |
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| 104, Leighton Road581 m away | 112 m² | 175 m² | +63 m² +56% | 2013 |
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| 1, Poynter Road585 m away | 96 m² | 158 m² | +62 m² +65% | 2015 |
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| 92, St Marks Road790 m away | 115 m² | 176 m² | +61 m² +53% | 2023 |
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| 26, Poynter Road583 m away | 103 m² | 164 m² | +61 m² +59% | 2021 |
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| 56, Ladysmith Road726 m away | 90 m² | 150 m² | +60 m² +67% | 2025 |
|---|
| 35, Halstead Road610 m away | 73 m² | 130 m² | +57 m² +78% | 2021 |
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| 7, Southbury Avenue317 m away | 76 m² | 131 m² | +55 m² +72% | 2025 |
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| 15, Clive Road197 m away | 60 m² | 114 m² | +54 m² +90% | 2024 |
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| 307, Willow Road982 m away | 108 m² | 160 m² | +52 m² +48% | 2018 |
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| 353, Lincoln Road960 m away | 67 m² | 119 m² | +52 m² +78% | 2015 |
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| 41, Hazelwood Road862 m away | 68 m² | 119 m² | +51 m² +75% | 2017 |
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| 114, Burleigh Road733 m away | 94 m² | 144 m² | +50 m² +53% | 2024 |
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| 60, Apple Grove829 m away | 91 m² | 139 m² | +48 m² +53% | 2025 |
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| 40, Millais Road575 m away | 77 m² | 125 m² | +48 m² +62% | 2023 |
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| 51, Hazelwood Road862 m away | 76 m² | 124 m² | +48 m² +63% | 2022 |
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| 83, Trinity Avenue940 m away | 114 m² | 161 m² | +47 m² +41% | 2026 |
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| 28, Ladbroke Road825 m away | 77 m² | 124 m² | +47 m² +61% | 2015 |
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| 6, East Crescent638 m away | 93 m² | 139 m² | +46 m² +49% | 2025 |
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| 46, Apple Grove829 m away | 85 m² | 131 m² | +46 m² +54% | 2023 |
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| 17, Ladysmith Road690 m away | 108 m² | 154 m² | +46 m² +43% | 2021 |
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| 59, Riversfield Road956 m away | 91 m² | 137 m² | +46 m² +51% | 2013 |
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| 112, Clive Road74 m away | 89 m² | 134 m² | +45 m² +51% | 2024 |
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| 151, Fotheringham Road515 m away | 88 m² | 133 m² | +45 m² +51% | 2024 |
|---|
| 21, Kingsway933 m away | 66 m² | 111 m² | +45 m² +68% | 2021 |
|---|
| 38, Southbury Road657 m away | 132 m² | 177 m² | +45 m² +34% | 2019 |
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| 109, Bertram Road153 m away | 79 m² | 122 m² | +43 m² +54% | 2025 |
|---|
| 37, Lincoln Crescent566 m away | 80 m² | 123 m² | +43 m² +54% | 2025 |
|---|
| 16, Queens Road746 m away | 105 m² | 148 m² | +43 m² +41% | 2025 |
|---|
| 87, Leighton Road581 m away | 95 m² | 137 m² | +42 m² +44% | 2022 |
|---|
| 290, Lincoln Road778 m away | 105 m² | 147 m² | +42 m² +40% | 2021 |
|---|
| 2, Bertram Road0 m away | 64 m² | 106 m² | +42 m² +66% | 2020 |
|---|
| 17, Downs Road576 m away | 63 m² | 105 m² | +42 m² +67% | 2020 |
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| 4, Bertram Road0 m away | 84 m² | 124 m² | +40 m² +48% | 2024 |
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| 153, Fotheringham Road515 m away | 81 m² | 121 m² | +40 m² +49% | 2022 |
|---|
| 124, Burleigh Road733 m away | 78 m² | 118 m² | +40 m² +51% | 2021 |
|---|
| 21, Queens Road658 m away | 110 m² | 150 m² | +40 m² +36% | 2020 |
|---|
| 11d, Village Road964 m away | 92 m² | 131 m² | +39 m² +42% | 2021 |
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| 7, Bertram Road44 m away | 79 m² | 118 m² | +39 m² +49% | 2013 |
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| 145, Kingsway895 m away | 74 m² | 112 m² | +38 m² +51% | 2017 |
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| 63, Hadrians Ride419 m away | 38 m² | 76 m² | +38 m² +100% | 2016 |
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| 22, Chalkwell Park Avenue913 m away | 63 m² | 101 m² | +38 m² +60% | 2016 |
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| 120, Fotheringham Road489 m away | 84 m² | 121 m² | +37 m² +44% | 2021 |
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| 6, Seaford Road693 m away | 41 m² | 77 m² | +36 m² +88% | 2024 |
|---|
| 44, Millais Road575 m away | 81 m² | 117 m² | +36 m² +44% | 2023 |
|---|
| 74, Poynter Road583 m away | 104 m² | 140 m² | +36 m² +35% | 2021 |
|---|
| 16, Falmer Road538 m away | 84 m² | 119 m² | +35 m² +42% | 2021 |
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| 34, Lincoln Way677 m away | 74 m² | 109 m² | +35 m² +47% | 2018 |
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| 138, Lincoln Road291 m away | 78 m² | 112 m² | +34 m² +44% | 2023 |
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| 78, Woodgrange Gardens990 m away | 70 m² | 104 m² | +34 m² +49% | 2014 |
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| 201, Southbury Road249 m away | 109 m² | 143 m² | +34 m² +31% | 2011 |
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| 30, Bertram Road0 m away | 71 m² | 104 m² | +33 m² +46% | 2022 |
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| 41, Lincoln Road651 m away | 93 m² | 126 m² | +33 m² +35% | 2022 |
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| 76, Lincoln Road578 m away | 83 m² | 116 m² | +33 m² +40% | 2021 |
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| 122, Percival Road196 m away | 87 m² | 120 m² | +33 m² +38% | 2019 |
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| 25, Seaford Road589 m away | 87 m² | 119 m² | +32 m² +37% | 2025 |
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| 15, Millais Road591 m away | 66 m² | 98 m² | +32 m² +48% | 2022 |
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| 11, Millais Road591 m away | 110 m² | 142 m² | +32 m² +29% | 2022 |
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| 22, Hazelwood Road892 m away | 85 m² | 117 m² | +32 m² +38% | 2022 |
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| 111, Ladysmith Road847 m away | 99 m² | 130 m² | +31 m² +31% | 2025 |
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| 96, Fotheringham Road489 m away | 84 m² | 115 m² | +31 m² +37% | 2024 |
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| 47, Kingsway933 m away | 82 m² | 113 m² | +31 m² +38% | 2023 |
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| 127, First Avenue702 m away | 102 m² | 133 m² | +31 m² +30% | 2020 |
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| 169, Southbury Road389 m away | 74 m² | 105 m² | +31 m² +42% | 2015 |
|---|
| 132, Fotheringham Road489 m away | 88 m² | 118 m² | +30 m² +34% | 2026 |
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| 86, Bertram Road188 m away | 78 m² | 108 m² | +30 m² +38% | 2024 |
|---|
| 52, Seaford Road589 m away | 94 m² | 124 m² | +30 m² +32% | 2022 |
|---|
| 2, Seaford Road693 m away | 78 m² | 108 m² | +30 m² +38% | 2019 |
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| 8, Apple Grove829 m away | 138 m² | 168 m² | +30 m² +22% | 2011 |
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| 35, Bertram Road44 m away | 82 m² | 111 m² | +29 m² +35% | 2023 |
|---|
| 6, Clive Road201 m away | 87 m² | 116 m² | +29 m² +33% | 2018 |
|---|
| 119, Roman Way351 m away | 82 m² | 110 m² | +28 m² +34% | 2025 |
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| 151b, Southbury Road389 m away | 43 m² | 71 m² | +28 m² +65% | 2025 |
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| 47, Lincoln Road651 m away | 79 m² | 107 m² | +28 m² +35% | 2023 |
|---|
| 85, Kingsway900 m away | 93 m² | 121 m² | +28 m² +30% | 2022 |
|---|
| 59, Hadrians Ride419 m away | 91 m² | 119 m² | +28 m² +31% | 2021 |
|---|
| 69, Sketty Road491 m away | 84 m² | 112 m² | +28 m² +33% | 2017 |
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| 4, Fotheringham Road500 m away | 111 m² | 139 m² | +28 m² +25% | 2017 |
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| 82, Lincoln Road578 m away | 89 m² | 117 m² | +28 m² +31% | 2017 |
|---|
| 8, Main Avenue545 m away | 76 m² | 104 m² | +28 m² +37% | 2014 |
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| 23, Ingram Court, Wendy Close939 m away | 32 m² | 59 m² | +27 m² +84% | 2024 |
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| 18, East Crescent638 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 60, Hazelwood Road892 m away | 78 m² | 105 m² | +27 m² +35% | 2019 |
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| 35, Millais Road591 m away | 69 m² | 96 m² | +27 m² +39% | 2015 |
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| 13, Kingsway933 m away | 68 m² | 95 m² | +27 m² +40% | 2015 |
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| Flat 73, Bonnington House, Ayley Croft610 m away | 38 m² | 64 m² | +26 m² +68% | 2023 |
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| 53, Abbey Road775 m away | 138 m² | 163 m² | +25 m² +18% | 2018 |
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| 81, Apple Grove784 m away | 76 m² | 101 m² | +25 m² +33% | 2017 |
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| 5a, St Marks Road557 m away | 84 m² | 109 m² | +25 m² +30% | 2015 |
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| 80, St Marks Road790 m away | 149 m² | 174 m² | +25 m² +17% | 2013 |
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| 41, Alberta Road788 m away | 94 m² | 118 m² | +24 m² +26% | 2026 |
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| 102, Clive Road74 m away | 75 m² | 99 m² | +24 m² +32% | 2023 |
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| 287, Lincoln Road811 m away | 102 m² | 126 m² | +24 m² +24% | 2014 |
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| 62, Mayfield Crescent971 m away | 68 m² | 91 m² | +23 m² +34% | 2026 |
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| Flat 9, Warne Court, 8, Village Road935 m away | 114 m² | 137 m² | +23 m² +20% | 2024 |
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| 133, Ladysmith Road847 m away | 112 m² | 135 m² | +23 m² +21% | 2023 |
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| 72, Southbury Road657 m away | 127 m² | 150 m² | +23 m² +18% | 2022 |
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| 157, Great Cambridge Road418 m away | 60 m² | 83 m² | +23 m² +38% | 2021 |
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| 104, Southbury Road530 m away | 127 m² | 150 m² | +23 m² +18% | 2018 |
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| 322, Lincoln Road924 m away | 65 m² | 88 m² | +23 m² +35% | 2011 |
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| 80, Kingsway900 m away | 88 m² | 111 m² | +23 m² +26% | 2009 |
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| 94, Burleigh Road679 m away | 90 m² | 112 m² | +22 m² +24% | 2026 |
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| 4, Burleigh Road652 m away | 85 m² | 107 m² | +22 m² +26% | 2025 |
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| 33, Harman Road481 m away | 100 m² | 122 m² | +22 m² +22% | 2024 |
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| 27a, First Avenue796 m away | 54 m² | 76 m² | +22 m² +41% | 2024 |
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| 52, Halstead Road641 m away | 80 m² | 102 m² | +22 m² +28% | 2019 |
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| 47, Apple Grove819 m away | 88 m² | 110 m² | +22 m² +25% | 2015 |
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| 137, Kingsway895 m away | 75 m² | 97 m² | +22 m² +29% | 2013 |
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| 170, Southbury Road221 m away | 111 m² | 133 m² | +22 m² +20% | 2012 |
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| 24, Alberta Road814 m away | 86 m² | 107 m² | +21 m² +24% | 2026 |
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| 19, Kingsway933 m away | 73 m² | 94 m² | +21 m² +29% | 2026 |
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| 45, Riversfield Road956 m away | 93 m² | 114 m² | +21 m² +23% | 2024 |
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| 91, Lincoln Crescent566 m away | 91 m² | 112 m² | +21 m² +23% | 2022 |
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| 36, Beresford Gardens795 m away | 61 m² | 82 m² | +21 m² +34% | 2021 |
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| 5a, Woodgrange Terrace906 m away | 41 m² | 62 m² | +21 m² +51% | 2020 |
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| 132, Percival Road196 m away | 48 m² | 69 m² | +21 m² +44% | 2019 |
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| 320a, Lincoln Road924 m away | 35 m² | 56 m² | +21 m² +60% | 2009 |
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| 95, Kingsway900 m away | 76 m² | 96 m² | +20 m² +26% | 2026 |
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| 62, Woodgrange Gardens990 m away | 85 m² | 105 m² | +20 m² +24% | 2025 |
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| 43, Harman Road481 m away | 84 m² | 104 m² | +20 m² +24% | 2024 |
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| 147, Great Cambridge Road418 m away | 71 m² | 91 m² | +20 m² +28% | 2023 |
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| 1, Fotheringham Court, Fotheringham Road550 m away | 28 m² | 48 m² | +20 m² +71% | 2023 |
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| 35, Landseer Road592 m away | 63 m² | 83 m² | +20 m² +32% | 2022 |
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| 42, Southbury Road657 m away | 108 m² | 128 m² | +20 m² +19% | 2022 |
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| 34, Falmer Road538 m away | 97 m² | 117 m² | +20 m² +21% | 2021 |
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| 41, Lincoln Crescent566 m away | 84 m² | 104 m² | +20 m² +24% | 2021 |
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| 11, John Street451 m away | 46 m² | 66 m² | +20 m² +43% | 2018 |
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| 6, Millais Road575 m away | 75 m² | 95 m² | +20 m² +27% | 2014 |
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| 2, Kingswood Close577 m away | 46 m² | 66 m² | +20 m² +43% | 2012 |
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| 69, Kingsway900 m away | 81 m² | 100 m² | +19 m² +23% | 2026 |
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| 36, Chalkwell Park Avenue913 m away | 64 m² | 83 m² | +19 m² +30% | 2021 |
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| 56, Anglesey Road941 m away | 81 m² | 100 m² | +19 m² +23% | 2021 |
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| 36, Aberdare Road986 m away | 88 m² | 107 m² | +19 m² +22% | 2021 |
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| 85, Cecil Avenue371 m away | 116 m² | 135 m² | +19 m² +16% | 2020 |
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| 13, St Marks Road557 m away | 85 m² | 104 m² | +19 m² +22% | 2020 |
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| 27, Cobham Close357 m away | 43 m² | 62 m² | +19 m² +44% | 2012 |
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| 23, Woodgrange Gardens990 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
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| 38, Burleigh Road652 m away | 77 m² | 95 m² | +18 m² +23% | 2025 |
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| 36, Melbourne Way982 m away | 79 m² | 97 m² | +18 m² +23% | 2024 |
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| 147, Bertram Road153 m away | 84 m² | 102 m² | +18 m² +21% | 2023 |
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| 63, Leighton Road757 m away | 84 m² | 102 m² | +18 m² +21% | 2023 |
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| 19a, Lincoln Way771 m away | 34 m² | 52 m² | +18 m² +53% | 2023 |
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| 7, Grassmere Court, 20, Village Road918 m away | 44 m² | 62 m² | +18 m² +41% | 2022 |
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| 9, Marlborough Court, 7, Village Road995 m away | 83 m² | 101 m² | +18 m² +22% | 2019 |
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| 70, Woodgrange Avenue899 m away | 77 m² | 95 m² | +18 m² +23% | 2018 |
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| 67, Kingsway900 m away | 77 m² | 95 m² | +18 m² +23% | 2018 |
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| 146, Bertram Road188 m away | 85 m² | 102 m² | +17 m² +20% | 2026 |
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| 4, Landseer Road590 m away | 78 m² | 95 m² | +17 m² +22% | 2026 |
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| 34, Main Avenue545 m away | 71 m² | 88 m² | +17 m² +24% | 2025 |
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| 18a, Abbey Road735 m away | 100 m² | 117 m² | +17 m² +17% | 2025 |
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| 162, Southbury Road221 m away | 89 m² | 106 m² | +17 m² +19% | 2024 |
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| 8, Melbourne Way982 m away | 77 m² | 94 m² | +17 m² +22% | 2024 |
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| 2, Grassmere Court, 20, Village Road918 m away | 45 m² | 62 m² | +17 m² +38% | 2022 |
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| 20, Grassmere Court, 20, Village Road918 m away | 45 m² | 62 m² | +17 m² +38% | 2022 |
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| 2a, Landseer Road590 m away | 85 m² | 102 m² | +17 m² +20% | 2015 |
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| 42, Fotheringham Road461 m away | 103 m² | 119 m² | +16 m² +16% | 2026 |
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| 9, Fotheringham Court, Fotheringham Road550 m away | 51 m² | 67 m² | +16 m² +31% | 2026 |
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| 146a, Percival Road196 m away | 82 m² | 98 m² | +16 m² +20% | 2025 |
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| 40, Trinity Avenue978 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
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| 72, Woodgrange Gardens990 m away | 94 m² | 110 m² | +16 m² +17% | 2023 |
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| 45, Sketty Road649 m away | 43 m² | 59 m² | +16 m² +37% | 2022 |
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| 13, Burleigh Road652 m away | 75 m² | 91 m² | +16 m² +21% | 2022 |
|---|
| 5, Grassmere Court, 20, Village Road918 m away | 46 m² | 62 m² | +16 m² +35% | 2022 |
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| 1, Percival Road107 m away | 63 m² | 79 m² | +16 m² +25% | 2021 |
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| 19, Bertram Road44 m away | 67 m² | 83 m² | +16 m² +24% | 2019 |
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| 91, Cobham Close357 m away | 46 m² | 62 m² | +16 m² +35% | 2019 |
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| 35, Sketty Road649 m away | 44 m² | 60 m² | +16 m² +36% | 2019 |
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| 80, Beresford Gardens811 m away | 65 m² | 81 m² | +16 m² +25% | 2016 |
|---|
| 56, Southbury Road657 m away | 45 m² | 61 m² | +16 m² +36% | 2015 |
|---|
| 37, Alberta Road788 m away | 89 m² | 105 m² | +16 m² +18% | 2014 |
|---|
| 138, Bertram Road188 m away | 78 m² | 94 m² | +16 m² +21% | 2012 |
|---|
| 14, Anglesey Road912 m away | 68 m² | 84 m² | +16 m² +24% | 2012 |
|---|
| 26, Woodgrange Avenue948 m away | 73 m² | 88 m² | +15 m² +21% | 2026 |
|---|
| Flat 7, Chapel Court, St Marks Road645 m away | 52 m² | 67 m² | +15 m² +29% | 2022 |
|---|
| 64, Sketty Road649 m away | 32 m² | 47 m² | +15 m² +47% | 2021 |
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| 57, Suffolk Road953 m away | 63 m² | 78 m² | +15 m² +24% | 2021 |
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